Anti-fog BOPP film refers to biaxially oriented polypropylene (BOPP) film that is modified by incorporating anti-fog additives either within the film core layer or on its surface. Such additives reduce the surface tension of condensed water vapor, enabling moisture to spread out and form a continuous transparent coating, rather than forming tiny water droplets that scatter light and cause blurriness.
With excellent transparency, the packaging allows end consumers to clearly check the freshness status of packaged food products at any time.
We supply anti-fog BOPP films with standard thickness ranging from 20μm to 35μm, and custom thickness specifications can be provided upon request. Our mainstream film structures are listed as below:
- AF/AF: Double-sided anti-fog property with double-sided heat-sealable performance
- AF/CO: One side with anti-fog & heat-sealable function; the other side undergoes corona treatment to adapt to printing and dry lamination processes
These functional films are specially developed for packaging scenarios including fresh vegetables, mushrooms, fruits, pre-mixed salads, chilled meat, seafood, sandwiches and baked food. These categories are highly susceptible to surface fogging caused by high humidity, temperature fluctuations and cold chain transportation.
Manufactured via Bruckner production lines featuring stable winding technology and precise thickness control, our anti-fog BOPP films maintain stable high transparency across every production roll for reliable consistent performance.
| Properties | Unit | Typical Data | Test Methods |
|---|---|---|---|
| Thickness | μm | 25 | GB/T6672 |
| Tensile Strength (MD) | MPa | 100 | ASTM D882 |
| Tensile Strength (TD) | MPa | 190 | ASTM D882 |
| Elongation at break (MD) | % | 165 | ASTM D882 |
| Elongation at break (TD) | % | 40 | ASTM D882 |
| Coefficient of friction (μk/μs) | — | 0.7 | GB/T10006 |
| Unit Weight | g/cm² | 19.8 | ASTM D792 |
| Gloss | % | 5 | ASTM D2457 |
| Haze | % | 95 | ASTM D1003 |
| Heat Shrinkage (MD) | % | 3 | BMS TT 02 |
| Heat Shrinkage (TD) | % | 1.5 | BMS TT 02 |
| Heat seal temperature range | ℃ | 115–140 | ASTM F88 |
| Surface tension (Scratch Free side) | mN/m | ≥38 | GB/T8807 |
| Surface tension (Glossy side) | mN/m | ≥38 | GB/T8807 |
| Note: Typical data for reference only. Testing environment: 23°C / 50% RH. | |||